Quick Setup and Getting Started Guide - Enhanced for Accessibility

Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued)
Activity Beeps Possible Cause Recommended Action
Red Power LED flashes
five times, once every
second, followed by a
two second pause.
Beeps stop after fifth
iteration but LEDs
5 Pre-video memory
error.
CAUTION: To avoid
damage to the DIMMs or the
system board, you must
unplug the computer power
cord before attempting to
continue until problem is
solved.
reseat, install, or remove a
DIMM module.
1. Reseat DIMMs.
2. Replace DIMMs one at a time to
isolate the faulty module.
3. Replace third-party memory with
HP memory.
4. Replace the system board.
Red Power LED flashes 6 Pre-video graphics For systems with a graphics card:
six times, once every
second, followed by a
error.
1. Reseat the graphics card.
two second pause.
Beeps stop after fifth
2. Replace the graphics card.
iteration but LEDs
continue until problem is
3. Replace the system board.
solved.
For systems with integrated graphics,
replace the system board.
Red Power LED flashes
seven times, once every
7 System board failure
(ROM detected
Replace the system board.
second, followed by a failure prior to video).
two second pause.
Beeps stop after fifth
iteration but LEDs
continue until problem is
solved.
Red Power LED flashes 8 Invalid ROM based 1. Reflash the system ROM with the
eight times, once every on bad checksum. latest BIOS image. See the “Boot
second, followed by a Block Emergency Recovery Mode”
two second pause. section of the Desktop
Beeps stop after fifth Management Guide on the
iteration but LEDs Documentation and Diagnostics
continue until problem is CD for more information.
solved.
2. Replace the system board.
20
Quick Setup & Getting Started
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